[It helped that Chekov tends to get fidgety and distracted himself, perhaps. Plus, Nico's a good student. Probably. Chekov hasn't had a lot of other students to compare him to, but he likes Nico and his willingness to listen and learn.]
Nico, hello. [He smiles ruefully and shuffles his papers, looking for the worksheet that he'd prepared.] I don't think so, no. There isn't very much interest in this subject... which makes your interest all the more valuable.